| /* |
| * Copyright 2000-2009 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.intellij.util; |
| |
| import com.intellij.openapi.util.text.StringUtil; |
| import com.intellij.util.io.URLUtil; |
| import org.jetbrains.annotations.NonNls; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.io.BufferedInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.InputStreamReader; |
| import java.net.URL; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Locale; |
| |
| /** |
| * @author max |
| */ |
| public class ResourceUtil { |
| @NonNls private static final String ENCODING_UTF_8 = "UTF-8"; |
| |
| private ResourceUtil() { |
| } |
| |
| public static URL getResource(@NotNull Class loaderClass, @NonNls @NotNull String basePath, @NonNls @NotNull String fileName) { |
| return getResource(loaderClass.getClassLoader(), basePath, fileName); |
| } |
| |
| public static URL getResource(@NotNull ClassLoader loader, @NonNls @NotNull String basePath, @NonNls @NotNull String fileName) { |
| String fixedPath = StringUtil.trimStart(StringUtil.trimEnd(basePath, "/"), "/"); |
| |
| List<String> bundles = calculateBundleNames(fixedPath, Locale.getDefault()); |
| for (String bundle : bundles) { |
| URL url = loader.getResource(bundle + "/" + fileName); |
| if (url == null) continue; |
| |
| try { |
| url.openConnection(); |
| } |
| catch (IOException e) { |
| continue; |
| } |
| |
| return url; |
| } |
| |
| return loader.getResource(fixedPath + "/" + fileName); |
| } |
| |
| /** |
| * Copied from java.util.ResourceBundle implementation |
| */ |
| private static List<String> calculateBundleNames(String baseName, Locale locale) { |
| final List<String> result = new ArrayList<String>(3); |
| final String language = locale.getLanguage(); |
| final int languageLength = language.length(); |
| final String country = locale.getCountry(); |
| final int countryLength = country.length(); |
| final String variant = locale.getVariant(); |
| final int variantLength = variant.length(); |
| |
| result.add(0, baseName); |
| |
| if (languageLength + countryLength + variantLength == 0) { |
| //The locale is "", "", "". |
| return result; |
| } |
| |
| final StringBuilder temp = new StringBuilder(baseName); |
| temp.append('_'); |
| temp.append(language); |
| if (languageLength > 0) { |
| result.add(0, temp.toString()); |
| } |
| |
| if (countryLength + variantLength == 0) { |
| return result; |
| } |
| |
| temp.append('_'); |
| temp.append(country); |
| if (countryLength > 0) { |
| result.add(0, temp.toString()); |
| } |
| |
| if (variantLength == 0) { |
| return result; |
| } |
| temp.append('_'); |
| temp.append(variant); |
| result.add(0, temp.toString()); |
| |
| return result; |
| } |
| |
| @NotNull |
| public static String loadText(@NotNull URL url) throws IOException { |
| InputStream inputStream = new BufferedInputStream(URLUtil.openStream(url)); |
| |
| InputStreamReader reader = new InputStreamReader(inputStream, ENCODING_UTF_8); |
| try { |
| StringBuilder text = new StringBuilder(); |
| char[] buf = new char[5000]; |
| while (reader.ready()) { |
| final int length = reader.read(buf); |
| if (length == -1) break; |
| text.append(buf, 0, length); |
| } |
| return text.toString(); |
| } |
| finally { |
| reader.close(); |
| } |
| } |
| } |